tmux/cmd-respawn-window.c

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/* $OpenBSD$ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <stdlib.h>
#include <unistd.h>
#include "tmux.h"
/*
* Respawn a window (restart the command). Kill existing if -k given.
*/
static enum cmd_retval cmd_respawn_window_exec(struct cmd *,
struct cmdq_item *);
const struct cmd_entry cmd_respawn_window_entry = {
.name = "respawn-window",
.alias = "respawnw",
.args = { "c:kt:", 0, -1 },
.usage = "[-c start-directory] [-k] " CMD_TARGET_WINDOW_USAGE
" [command]",
.target = { 't', CMD_FIND_WINDOW, 0 },
.flags = 0,
.exec = cmd_respawn_window_exec
};
static enum cmd_retval
cmd_respawn_window_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = self->args;
struct session *s = item->target.s;
struct winlink *wl = item->target.wl;
struct window *w = wl->window;
struct window_pane *wp;
struct client *c = cmd_find_client(item, NULL, 1);
struct environ *env;
const char *path = NULL, *cp;
char *cause, *cwd = NULL;
struct environ_entry *envent;
if (!args_has(self->args, 'k')) {
TAILQ_FOREACH(wp, &w->panes, entry) {
if (wp->fd == -1)
continue;
cmdq_error(item, "window still active: %s:%d", s->name,
wl->idx);
return (CMD_RETURN_ERROR);
}
}
wp = TAILQ_FIRST(&w->panes);
TAILQ_REMOVE(&w->panes, wp, entry);
layout_free(w);
window_destroy_panes(w);
TAILQ_INSERT_HEAD(&w->panes, wp, entry);
window_pane_resize(wp, w->sx, w->sy);
if (item->client != NULL && item->client->session == NULL)
envent = environ_find(item->client->environ, "PATH");
else
envent = environ_find(s->environ, "PATH");
if (envent != NULL)
path = envent->value;
if ((cp = args_get(args, 'c')) != NULL)
cwd = format_single(item, cp, c, s, NULL, NULL);
env = environ_for_session(s, 0);
if (window_pane_spawn(wp, args->argc, args->argv, path, NULL, cwd, env,
s->tio, &cause) != 0) {
cmdq_error(item, "respawn window failed: %s", cause);
free(cause);
environ_free(env);
free(cwd);
server_destroy_pane(wp, 0);
return (CMD_RETURN_ERROR);
}
environ_free(env);
free(cwd);
layout_init(w, wp);
window_pane_reset_mode(wp);
screen_reinit(&wp->base);
input_init(wp);
window_set_active_pane(w, wp);
recalculate_sizes();
server_redraw_window(w);
return (CMD_RETURN_NORMAL);
}